October Weather in Sao Luis, Portugal

Last updated: August 27, 2025

In Sao Luis, Portugal, the average temperature in October is a pleasant 19°C (66°F). Expect minimums dropping to 9°C (49°F) and maximums reaching up to 32°C (90°F). During this month, anticipate an average precipitation of 45 mm (1.8 in), typically spread over 4 days, along with an average humidity level of 75%.

October Temperature in Sao Luis

In October in Sao Luis, the average temperature is 19°C (66°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 9°C (49°F). This makes it a great time for travelers to enjoy a mix of warm days and cooler evenings, perfect for outdoor activities and exploration.

October Weather in Sao Luis: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sao Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Luis, October typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Sao Luis generated using information from the Copernicus Climate Change Service.

October Precipitation in Sao Luis

In Sao Luis in October, the total precipitation amount is 45 mm (1.8 in) over the course of 4 days.

October Precipitation Trends in Sao Luis

The chart displays monthly precipitation patterns in Sao Luis, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sao Luis, October typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Sao Luis

In Sao Luis in October humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

October Average Humidity in Sao Luis

This chart illustrates the average monthly humidity levels in Sao Luis, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sao Luis is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sao Luis

In Sao Luis in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sao Luis.

Maximum UV Index Levels in Sao Luis for October

The chart shows the monthly maximum UV Index (UVI) for Sao Luis in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Sao Luis typically reaches 7, which falls under the high exposure category.

Data source: Sao Luis October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Sao Luis Compares to Other Months

Weather in Sao Luis varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sao Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sao Luis, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	29 mm (1.1 inches)	80%	moderate
February Weather	13°C (55°F)	54 mm (2.1 inches)	73%	moderate
March Weather	14°C (57°F)	83 mm (3.3 inches)	71%	high
April Weather	15°C (60°F)	66 mm (2.6 inches)	69%	very high
May Weather	18°C (65°F)	23 mm (0.9 inches)	69%	very high
June Weather	19°C (67°F)	10 mm (0.4 inches)	67%	extreme
July Weather	21°C (70°F)	3 mm (0.1 inches)	69%	very high
August Weather	22°C (71°F)	2 mm (0.1 inches)	68%	very high
September Weather	21°C (70°F)	11 mm (0.4 inches)	71%	very high
October Weather	19°C (66°F)	45 mm (1.8 inches)	75%	high
November Weather	15°C (59°F)	58 mm (2.3 inches)	78%	moderate
December Weather	13°C (55°F)	51 mm (2.0 inches)	81%	moderate